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97,619 servers. Updated
19 Best Email MCP Servers: compared and ranked, October 2026Ranked from 2,721 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    Not graded
    quality
    A
    maintenance
    Gmail MCP server — scope-gated tools (readonly / send / modify), path jails for attachments + downloads, hardened OAuth credentials, Sigstore-signed releases.
    357 npm
    13
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    Provides comprehensive Gmail integration with 25+ tools for intelligent email management, including AI-powered categorization, advanced search and filtering, automated archiving and cleanup, analytics, and secure OAuth2 authentication.
    184 npm
    2
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables coding agents to search, read, analyse, draft, and organise Gmail across multiple mailboxes, with sending strictly gated behind user approval.
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Official Codna MCP server with Mojo-powered risk simulation. Maps repos with zero LLM tokens. 5 stdio tools: triage, root-cause analysis and fix plans (optional PRs), SARIF reachability proof, on-device code memory and bug reporting. Introspection needs no credentials; execution requires a one-time free codna login. Source: cli/codna/mcp_server.py. Registry: io.github.thyn-ai/codna.
    5
    538 PyPI
    Apache 2.0
  • F
    license
    A
    quality
    A
    maintenance
    Enables MCP clients to validate email addresses locally before sending or saving them, detecting typos, disposable domains, dead domains, bad syntax, role addresses, duplicates, and provider information.
    2
    -
  • A
    license
    A
    quality
    A
    maintenance
    Enables generating TOTP verification codes on macOS using seeds stored in the login keychain, with optional seed import, removal, and sharing with Passwords.app for automated publishing and other gated tasks.
    1
    36 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Markdown collaboration for AI workflows. Share markdown via public links with four permission levels, inline comments, and real-time sync. AI agents can read docs, review comments, incorporate feedback, and resolve threads. Free, no login.
    14
    9 npm
    8
    MIT
  • F
    license
    A
    quality
    D
    maintenance
    Enables first-order logic reasoning including theorem proving, model finding, counterexample detection, and category theory diagram verification using pure TypeScript with no external dependencies.
    13
    4
    -
  • F
    license
    A
    quality
    D
    maintenance
    A lightweight Model Context Protocol (MCP) server that enables your LLM to validate email addresses. This tool checks email format, domain validity, and deliverability using the AbstractAPI Email Validation API. Perfect for integrating email validation into AI applications like Claude Desktop.
    1
    4
    -
  • A
    license
    A
    quality
    B
    maintenance
    Publishes static sites to Drop2Run from an AI agent: hand it files written in the chat or a folder on disk, and it returns a live HTTPS URL. Six tools — publish_files, publish_dir, list_sites, delete_site, and login / login_code — with no git, no build step and no repository.
    7
    1
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables AI agents to interact with physical embedded target boards over a dual-CDC USB bridge using MCP tools. It exposes console reading, pattern waiting, command sending, reboot/login state machines, and in-RAM MicroPython execution while a single-owner daemon safely arbitrates access to the serial devices.
    6
    2
    Apache 2.0
  • A
    license
    A
    quality
    F
    maintenance
    A Model Context Protocol (MCP) server for authenticated REST APIs. Drop it into any project, point it at your API, and let AI agents call endpoints — with auto-login, 2FA support, Swagger spec fetch, and fuzzy endpoint search — all without writing a single line of auth code.
    3
    9 npm
    6
    MIT
  • F
    license
    A
    quality
    A
    maintenance
    Exposes the Polaris architectural fitness-function control plane's REST API as grouped MCP tools over stdio, letting agents manage tribes, squads, fitness targets and functions, measurement sources, submissions, evaluations, waivers, insights, and events. Handles Google OIDC login and silent token refresh automatically, and submits measurements with an ingest API key.
    16
    -